gateway/core/proxy/broker/outServer/SussBi.go

package outServer

import (
	"bp.jydev.jianyu360.cn/BaseService/gateway/core/router"
	"bytes"
	"fmt"
	"github.com/gogf/gf/v2/net/ghttp"
	"github.com/gogf/gf/v2/util/gconv"
	"golang.org/x/net/publicsuffix"
	"io"
	"io/ioutil"
	"net/http"
	"net/http/cookiejar"
	"net/url"
)

type sussBi struct {
	addr string
	user string
	pwd  string
	Url  *url.URL
	jar  *cookiejar.Jar
}

func InitSussBi(address, user, password string) *sussBi {
	sussCookie, _ := cookiejar.New(&cookiejar.Options{
		PublicSuffixList: publicsuffix.List,
	})
	u, _ := url.Parse(address)
	return &sussBi{
		addr: address,
		user: user,
		Url:  u,
		pwd:  password,
		jar:  sussCookie,
	}
}

// AutoLogin 自动登录
func (s *sussBi) AutoLogin() error {
	client := &http.Client{
		Jar: s.jar,
	}
	resp, err := client.Get(fmt.Sprintf("%s/?:user=%s&:password=%s", s.addr, s.user, s.pwd))
	if err != nil {
		return err
	}
	if !(resp.StatusCode == 302 || resp.StatusCode == 200) {
		return fmt.Errorf("自动登录异常")
	}
	return nil
}

// RequestLogin 装配登录状态
func (s *sussBi) RequestLogin(r *ghttp.Request) error {
	if cookies := s.jar.Cookies(s.Url); len(cookies) > 0 {
		r.Request.AddCookie(cookies[0])
	}
	return nil
}

// CheckLoginOut 检测登录状态是否过期
func (s *sussBi) CheckLoginOut(r *ghttp.Request) bool {
	if r.Response.Status == 401 {
		return true
	}
	return false
}

func (s *sussBi) Filter(r *ghttp.Request) error {
	ctx := router.GetGContext(r.GetCtx())
	if ctx.Sess.NewUid != 0 && r.Request.Method == http.MethodPost {
		bodyBytes, err := io.ReadAll(r.Request.Body)
		if err != nil {
			return err
		}
		if len(bodyBytes) > 0 {
			finalBytes := bytes.ReplaceAll(bodyBytes, []byte(`"jyUserId"`), []byte(fmt.Sprintf(`"%d"`, ctx.Sess.NewUid)))
			r.ContentLength = gconv.Int64(len(finalBytes))
			r.Request.Header.Set("Content-Length", fmt.Sprintf("%d", len(finalBytes)))
			//fmt.Printf("before len:%d value:%s\nafter: len:%d value:%s\n", len(bodyBytes), string(bodyBytes), len(finalBytes), string(finalBytes))
			//fmt.Printf("header %+v\n", r.Request.Header)
			r.Request.Body = ioutil.NopCloser(bytes.NewReader(finalBytes))
		}
	}
	return nil
}